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    • 6. 发明申请
    • Electron emission device, electron emission type backlight unit and flat display apparatus having the same
    • 电子发射装置,电子发射型背光单元和具有该背光单元的平面显示装置
    • US20070018565A1
    • 2007-01-25
    • US11477458
    • 2006-06-30
    • Young-Suk ChoJae-Woo BaeIk-Chul LimYong-Soo Choi
    • Young-Suk ChoJae-Woo BaeIk-Chul LimYong-Soo Choi
    • H01J1/62
    • H01J63/02H01J3/021H01J3/08H01J29/481H01J31/127H01J63/06
    • An electron emission device with improved electron emission efficiency and an electron emission type backlight unit with a new structure using the electron emission device in which an electric field between an anode electrode and a cathode electrode is effectively blocked, and electrons are emitted continuously and stably by a low gate voltage thereby improving light-emitting uniformity and light-emitting efficiency. Also provided is a flat display apparatus employing the electron emission type backlight unit having the electron emission device. The electron emission device includes a base substrate; a cathode electrode formed on the base substrate; a gate electrode that is formed on the base substrate and alternately separated from the cathode electrode when there are more than one; an electron emission layer disposed on a surface of the cathode electrode; and a supplementary electrode formed on the cathode electrode or the gate electrode and is higher than the corresponding electrode.
    • 具有改善的电子发射效率的电子发射装置和具有使用电子发射装置的新结构的电子发射型背光单元,其中阳极电极和阴极电极之间的电场被有效地阻挡,并且电子通过 低栅极电压,从而提高发光均匀性和发光效率。 还提供了采用具有电子发射装置的电子发射型背光单元的平面显示装置。 电子发射装置包括:基底; 形成在基底基板上的阴极电极; 形成在所述基底基板上并且当存在多于一个时与所述阴极电极交替分离的栅电极; 设置在所述阴极电极的表面上的电子发射层; 以及辅助电极,形成在阴极电极或栅电极上并且高于相应的电极。